Viewing archive of Saturday, 6 November 2021
Solar activity report
Report of Solar-Geophysical Activity 2021 Nov 06 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 310 Issued at 2200Z on 06 Nov 2021IA. Analysis of Solar Active Regions and Activity from 05-2100Z to 06-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C2 event observed at
05/2157Z from Region 2894 (S27E66). There are currently 3 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
with a chance for a C-class flares on days one, two, and three (07 Nov,
08 Nov, 09 Nov).
IIA. Geophysical Activity Summary 05-2100Z to 06-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 634 km/s at 06/0132Z. Total IMF reached 10
nT at 06/0006Z. The maximum southward component of Bz reached -4 nT at
06/1606Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 1633 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on days one and two (07 Nov, 08 Nov)
and quiet levels on day three (09 Nov).
III. Event Probabilities 07 Nov to 09 Nov
| Class M | 05% | 05% | 05% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 06 Nov 082 Predicted 07 Nov-09 Nov 085/085/082 90 Day Mean 06 Nov 086
V. Geomagnetic A Indices
Observed Afr/Ap 05 Nov 009/010 Estimated Afr/Ap 06 Nov 014/016 Predicted Afr/Ap 07 Nov-09 Nov 008/008-008/008-006/005
VI. Geomagnetic Activity Probabilities 07 Nov to 09 Nov
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 20% | 20% | 10% |
| Minor storm | 05% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 20% |
| Minor storm | 25% | 25% | 20% |
| Major-severe storm | 25% | 25% | 10% |
All times in UTC
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